Home / 2,947.74-4,066.11-1,899.42

Finding the Fourth Proportional to 2,947.74, 4,066.11 and 1,899.42

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Solution

The fourth proportional to 2,947.74, 4,066.11 and 1,899.42 is: 2,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.74 : 4,066.11 = 1,899.42 : x
  2. Step 2: Convert to fraction form
    2,947.74/4,066.11 = 1,899.42/x
  3. Step 3: Cross multiply
    2,947.74x = 4,066.11 × 1,899.42
  4. Step 4: Simplify right side
    2,947.74x = 7,723,250.66
  5. Step 5: Solve for x
    x = 7,723,250.66/2,947.74
  6. Step 6: Final answer
    x = 2,620.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.